1) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

2) The Olympic motto is "Citius, Altius, Fortius," which is Latin for "Faster, Higher, Stronger."

3) The world's largest desert is the Antarctic Desert, covering around 5.5 million square miles.

4) The national animal of Australia is the kangaroo.